In 2023, after three years of building an automotive lending startup, Fuse co-founders Andres Klaric and Marc Escapa realized that LLMs could modernize something even more significant: the loan origination system (LOS), which is the backbone of the lending industry. Frustrated by the limitations of legacy software, Klaric (pictured left), a Bolivian native, and Escapa (pictured righ), a Spanish immigrant, pivoted their business to build Fuse, an AI-native LOS. On Monday, Fuse announced that it has raised a $25 million Series A led by Footwork, Primary Venture Partners, NextView Ventures, and Commerce Ventures. An LOS serves as the primary system of record for most lenders, managing the entire loan life cycle: from initial application and underwriting to final approval and credit disbursement. However, traditional systems can take as long as a year to integrate and typically have multi-year, expensive contracts, Klaric said.…